US2777660A - Adjustable shores - Google Patents

Adjustable shores Download PDF

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Publication number
US2777660A
US2777660A US394574A US39457453A US2777660A US 2777660 A US2777660 A US 2777660A US 394574 A US394574 A US 394574A US 39457453 A US39457453 A US 39457453A US 2777660 A US2777660 A US 2777660A
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United States
Prior art keywords
shores
upper section
collar
section
openings
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Expired - Lifetime
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US394574A
Inventor
Henry P Albrecht
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
    • E04G25/061—Shores or struts; Chocks telescopic with parts held together by positive means by pins
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
    • E04G25/061—Shores or struts; Chocks telescopic with parts held together by positive means by pins
    • E04G25/063—Shores or struts; Chocks telescopic with parts held together by positive means by pins with safety devices to avoid the accidental loss or unlocking of the pin, e.g. chains attaching the pin to the prop
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
    • E04G25/068—Shores or struts; Chocks telescopic with parts held together by positive means by a cam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32426—Plural distinct positions
    • Y10T403/32442—At least one discrete position
    • Y10T403/32451—Step-by-step adjustment

Definitions

  • My invention relates tol adjustable supporting devices and more particularly to adjustable shores for use in the building industry and for supporting overhead forms for concrete construction.
  • Such shores are interposed between a oor and the overhead supporting timbers supporting the forms for the immediately overlying ioor.
  • Normally such shores include a pair of telescoping column sections which are locked together at a desired height by inserting pins through alignable longitudinally spaced openings therethrough, and an independent screw element.
  • the column sections are lrst extended to the point where the openings in the outer section align with the closest opening in the inner section, and a pin is placed through said aligned openings.
  • the ne or Vernier adiustment of the sections is taken care of through the medium of the screw element. lFrequently a considerable gap remains to be taken up by the screw element and this adjustment is obviously time-consuming and laborious. In fact in operations where large numbers of such shores are utilized, the time and labor involved in achieving such Vernier adjustments becomes a considerable expense factor.
  • the primary object of my invention is the provision of an adjustable shore which may be much more quickly and easily installed in operative position than any shore heretofore produced.
  • To this end l provide novel means for quickly and effectively extending the shore to any operative height with a much greater degree of accuracy than heretofore possible, prior to rotating the screw element for the final or Vernier adjustments, whereby to reduce to a minimum the iinal adjustment to be achieved through the medium of said screw element.
  • a still further object of my invention is the provision of a device in the class described which has a minimum of working parts, is extremely easy to operate, which is fool-proof in construction and durable in use.
  • Fig. l is a view in front elevation of my novel structure
  • Fig. 2 is a View in side elevation
  • Fig. 3 is a fragmentary view partly in vertical axial section and partly in rear elevation as seen substantially from the line 3-3 of Fig. 2;
  • Fig. 4 is a perspective view of the collar of my novel structure.
  • the numeral 1 indicates in its entirety a supporting column comprising a tubular lower section 2 and an upper section 3, shown as telescopically received in the open upper end portion of the section 2.
  • the lower section 2 is provided with an enlarged foot 4 for engagement with the ground or oor -A and "V' 2,777,660 vfliizateri'ted fJflnzfl551957 I the upper section 3 is provided at; its.,upper,.endwith an elongated -beamsupporting-saddle 5.2.
  • yA-tubular-exvtension element 6 is shown as.N having sc-rewsthreadedenl extension-element 6, I' providelanffinverted'1U-shaped mounting bracket 8k on the ⁇ side of-thetubular-extension Aelement 'd between the sides of lwhich .is pivoted,thr0ugh the medium of a pivobpin 91a-handle-10.--;Handle 10 is obviously ⁇ swingable from, the --inoperative position shown, wherein it is .parallel tothe axis ofthe-,element 6, to a radially projecting'operative-positiomnot shown.
  • Extension element 6 Overlying the extension element 6 for. independent rotary and axial sliding ⁇ movements-ion-saidflipper.Column section 3 is a collar 11,1which,-preferably and asshown in l-iig. 3, is provided with a reduced end portion ⁇ 12 freely ⁇ rotatively received within the socket-forming upper end portion 13 of the extension element 6.
  • the intermediate portion of the upper section 3 is provided with a plurality of longitudinally spaced diametrical openings 14 therethrough.
  • ⁇ Openings 14 may be in vertical alignment, or as shown, may be both circumferentially or longitudinally spaced With respect to each other.
  • the collar 11 is formed to provide a pair of diametrically opposed step-like members 15, each of which provides an arcuate supporting surface 16 for the selective reception of the opposite ends of a pin 17 inserted through a given opening 14 in the upper section 3.
  • the pin 17 is connected at one end to a tie chain 18.
  • the opposite end of chain 18 is in turn preferably connected to an ear 19 projecting laterally outwardly from the side of the collar 11 adjacent the lower end thereof.
  • the extension element 6, adjacent its upper end, is provided with a pair of opposed openings 20 which are likewise selectively registerable with the openings 14 and the upper section 3, for a purpose which will hereinafter become apparent.
  • the pin 17 is inserted through the aligned openings 20 in the extension element 6, and any one of the longitudinally spaced openings 14 in upper section 3, and the several elements are thereby effectively tied together.
  • An adjustable supporting column comprising a tubular lower section having the upper end thereof open, an upper section having a plurality of longitudinally spaced rotary and axial movement therewith on said upper section, operating means on said extension element for rotating same to provide Vernier axial adjustment of said upper section through said collar, said collar having pairs of diametrically opposed longitudinally spaced step-like portions each pair of which provide a supporting surface selectively supporting the ends of a pin inserted through a selected opening in said upper section providing an intermediate axial adjustment of said upper section between said initial and Vernier adjustments, aligned diametrical openings in said extension element algnable with a selected opening in the upper section for receiving means to secure the sections together for transportation or storage.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Description

'JUI- 15, 1957 H. P. ALBRECHT ADJUSTABLE sHoREs libimnlvmmNm Filed Nov. 27, 1955 United States Patenti@ 2,777,660 ADJUSTABLE 'sHoREs Henry P. Albrecht, Minneapolis, Minn.
ApplicationzNovmber 27,:1953,l-'Serial No. 394,574
Y N2 Claims. (Cll-t24821i54) My invention relates tol adjustable supporting devices and more particularly to adjustable shores for use in the building industry and for supporting overhead forms for concrete construction.
Such shores are interposed between a oor and the overhead supporting timbers supporting the forms for the immediately overlying ioor. Normally such shores include a pair of telescoping column sections which are locked together at a desired height by inserting pins through alignable longitudinally spaced openings therethrough, and an independent screw element. In positioning such shores between the floor and the overlying supporting beams, the column sections are lrst extended to the point where the openings in the outer section align with the closest opening in the inner section, and a pin is placed through said aligned openings. The ne or Vernier adiustment of the sections is taken care of through the medium of the screw element. lFrequently a considerable gap remains to be taken up by the screw element and this adjustment is obviously time-consuming and laborious. In fact in operations where large numbers of such shores are utilized, the time and labor involved in achieving such Vernier adjustments becomes a considerable expense factor.
The primary object of my invention is the provision of an adjustable shore which may be much more quickly and easily installed in operative position than any shore heretofore produced. To this end l provide novel means for quickly and effectively extending the shore to any operative height with a much greater degree of accuracy than heretofore possible, prior to rotating the screw element for the final or Vernier adjustments, whereby to reduce to a minimum the iinal adjustment to be achieved through the medium of said screw element.
A still further object of my invention is the provision of a device in the class described which has a minimum of working parts, is extremely easy to operate, which is fool-proof in construction and durable in use.
The above and still further objects of my invention will become apparent from the following detailed specification, appended claims and attached drawings.
Referring to the drawings wherein like characters indicate like parts through several views:
Fig. l is a view in front elevation of my novel structure;
Fig. 2 is a View in side elevation;
Fig. 3 is a fragmentary view partly in vertical axial section and partly in rear elevation as seen substantially from the line 3-3 of Fig. 2; and
Fig. 4 is a perspective view of the collar of my novel structure.
Referring with greater particularity to the drawings the numeral 1 indicates in its entirety a supporting column comprising a tubular lower section 2 and an upper section 3, shown as telescopically received in the open upper end portion of the section 2. Preferably and as shown, the lower section 2 is provided with an enlarged foot 4 for engagement with the ground or oor -A and "V' 2,777,660 vfliizateri'ted fJflnzfl551957 I the upper section 3 is provided at; its.,upper,.endwith an elongated -beamsupporting-saddle 5.2. yA-tubular-exvtension element 6 is shown as.N having sc-rewsthreadedenl extension-element 6, I' providelanffinverted'1U-shaped mounting bracket 8k on the` side of-thetubular-extension Aelement 'd between the sides of lwhich .is pivoted,thr0ugh the medium of a pivobpin 91a-handle-10.--;Handle 10 is obviously` swingable from, the --inoperative position shown, wherein it is .parallel tothe axis ofthe-,element 6, to a radially projecting'operative-positiomnot shown.
Overlying the extension element 6 for. independent rotary and axial sliding `movements-ion-saidflipper.Column section 3 is a collar 11,1which,-preferably and asshown in l-iig. 3, is provided with a reduced end portion` 12 freely `rotatively received within the socket-forming upper end portion 13 of the extension element 6.
As shown, the intermediate portion of the upper section 3 is provided with a plurality of longitudinally spaced diametrical openings 14 therethrough. `Openings 14 may be in vertical alignment, or as shown, may be both circumferentially or longitudinally spaced With respect to each other. The collar 11 is formed to provide a pair of diametrically opposed step-like members 15, each of which provides an arcuate supporting surface 16 for the selective reception of the opposite ends of a pin 17 inserted through a given opening 14 in the upper section 3. vPreferably and as shown, the pin 17 is connected at one end to a tie chain 18. The opposite end of chain 18 is in turn preferably connected to an ear 19 projecting laterally outwardly from the side of the collar 11 adjacent the lower end thereof.
Also preferably and as shown, the extension element 6, adjacent its upper end, is provided with a pair of opposed openings 20 which are likewise selectively registerable with the openings 14 and the upper section 3, for a purpose which will hereinafter become apparent.
When it is desired to place my novel shore in operation, the same is placed in a retracted position with the foot 4 on the floor -A immediately below a beam, not shown. The column 1 is then extended by telescopically raising the upper section 3 to cause the elongated saddle 5 to receive and engage the said beam. Next the collar 11 is rotated to cause alignment of the closest opening 14 in the upper section 3, with the closest arcuate seats 16 making up the opposed step-like members 15. Next the pin 17 is inserted through the opening 14 with the opposite ends thereof coming to rest in the aligned arcuate seats 16. Lastly, the effective length of the column 1 is arrived at by rotation of the screw threaded extension element 6, after handle 10 has been swung to its radially extended position. However, because of the aligned seats 16 on the opposed step-like members 15, the relatively slow and time-consuming rotation of the extension element 6 is reduced to a When it is desired to store or transport my novel shores, the pin 17 is inserted through the aligned openings 20 in the extension element 6, and any one of the longitudinally spaced openings 14 in upper section 3, and the several elements are thereby effectively tied together.
My invention has been thoroughly tested and found to be completely satisfactory for the accomplishment of the above objects and while l have shown a preferred embodiment thereof, as required by section 4888 of the Revised Statutes, I wish it to be understood that my invention is capable of modification without departure from the scope of the appended claims.
What l claim is:
l. An adjustable supporting column comprising a tubular lower section having the upper end thereof open, an upper section having a plurality of longitudinally spaced rotary and axial movement therewith on said upper section, operating means on said extension element for rotating same to provide Vernier axial adjustment of said upper section through said collar, said collar having pairs of diametrically opposed longitudinally spaced step-like portions each pair of which provide a supporting surface selectively supporting the ends of a pin inserted through a selected opening in said upper section providing an intermediate axial adjustment of said upper section between said initial and Vernier adjustments, aligned diametrical openings in said extension element algnable with a selected opening in the upper section for receiving means to secure the sections together for transportation or storage.
2. The structure defined in claim l wherein the independent rotary and axial movement of the collar with respect to the extension element is provided by a reduced end portion on said collar nestingly received within a socket defined in the portion of the extension element engaging the collar.
References Cited in the tile of this patent UNITED STATES PATENTS 2,468,484 Clark Apr. 26, 1949 2,532,168 Iakoubek Nov. 28, 1950y FOREIGN PATENTS 71,669 Switzerland Feb. l, 1916 161.258 Switzerland Apr. 30, 1933 162,066 Switzerland .lune 15, 1935 500,085 Great Britain Feb. 2, 1939 1,021,928 'France Dec. 10, 1952 ...num-f4.5
US394574A 1953-11-27 1953-11-27 Adjustable shores Expired - Lifetime US2777660A (en)

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Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2814459A (en) * 1954-09-14 1957-11-26 Concrete Forms Corp Aligning device
US2906490A (en) * 1956-04-09 1959-09-29 Inland Steel Products Company Telescopic jack post
US2988318A (en) * 1959-10-12 1961-06-13 Waco Porter Corp Shore attachment combination
US3006666A (en) * 1959-02-13 1961-10-31 Stanley Aviation Corp Snap-ring coupling for telescoping tubular elements
US3016894A (en) * 1959-04-16 1962-01-16 Dennis E Cleary Barbecue post
US3098245A (en) * 1960-09-06 1963-07-23 Arthur M Corey Boat and trundling mechanism
US3204910A (en) * 1964-03-31 1965-09-07 Louis S Gacher Shoring device
US3210047A (en) * 1963-06-17 1965-10-05 Jackson George Wilbert Shoring jack
US3355136A (en) * 1965-09-13 1967-11-28 Henry C Staples Adjustable support device for a vehicle
US3848851A (en) * 1973-08-28 1974-11-19 Dell Holdings Ltd Jacking device
US3870268A (en) * 1973-04-30 1975-03-11 Sam Larkin Shoring apparatus
FR2315458A1 (en) * 1975-06-26 1977-01-21 David Louis Multi-compartment rubbish storage drum - has compartments round edge and telescopic spindle through middle fixed between floor and ceiling
US4096952A (en) * 1976-12-21 1978-06-27 Diggs Richard E Adjustable jib crane
WO1979000370A1 (en) * 1977-12-12 1979-06-28 Caterpillar Tractor Co Bulldozer blade angle slide mechanism
US4631878A (en) * 1984-12-19 1986-12-30 Laramore Larry W Pedestal and framing system for supplemental roof construction
US5232204A (en) * 1992-10-30 1993-08-03 Norman Nunez Heavy duty house joist support kit
WO1993015865A1 (en) * 1992-02-10 1993-08-19 Falkenson, Siv Axially adjustable chamfering device and tool holder therefor
US5310153A (en) * 1993-04-26 1994-05-10 Jackson George W Quick release washer for a shoring post
US5662429A (en) * 1993-09-30 1997-09-02 Lino Manfrotto & Co., S.P.A. Extendible rod
US6065254A (en) * 1999-03-19 2000-05-23 Lanka; Richard Adjustable, foldable support brace
US6152424A (en) * 2000-02-17 2000-11-28 Lapat; Leo A. Door and window frame spreader
US6539677B1 (en) 2001-05-18 2003-04-01 Richard I. Lanka Form brace with adjustable face
US7112026B1 (en) * 2004-01-12 2006-09-26 Foster Roy E Cabinet lifting device
US20120312940A1 (en) * 2006-12-21 2012-12-13 Xavier Julliard Mobile anchoring and fall prevention device
US8616519B2 (en) 2010-08-23 2013-12-31 Titan Formwork Systems, Llc Shoring post with supplemental beam support
US9140025B2 (en) 2013-03-14 2015-09-22 Victor N. Barcroft Long travel lift system
US11066824B2 (en) 2018-03-27 2021-07-20 Ccs Contractor Equipment & Supply, Llc Ground anchor bracket with simulated slab support for concrete wall braces

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH71669A (en) * 1915-07-30 1916-02-01 Angelo Battistini Adjustable clipper
CH161258A (en) * 1933-01-01 1933-04-30 Samac S A Height adjustable forestay.
CH162066A (en) * 1932-01-07 1933-06-15 Wuethrich Ernst Sprout.
GB500085A (en) * 1938-03-18 1939-02-02 Adria S A Improvements in and relating to adjustable props for supporting falsework
US2468484A (en) * 1947-01-17 1949-04-26 Acrow Eng Ltd Adjustable metal prop
US2532168A (en) * 1948-06-12 1950-11-28 Frank J Jakoubek Mine roof and timbering jack
FR1021928A (en) * 1950-07-11 1953-02-25 Locking device for tube props

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH71669A (en) * 1915-07-30 1916-02-01 Angelo Battistini Adjustable clipper
CH162066A (en) * 1932-01-07 1933-06-15 Wuethrich Ernst Sprout.
CH161258A (en) * 1933-01-01 1933-04-30 Samac S A Height adjustable forestay.
GB500085A (en) * 1938-03-18 1939-02-02 Adria S A Improvements in and relating to adjustable props for supporting falsework
US2468484A (en) * 1947-01-17 1949-04-26 Acrow Eng Ltd Adjustable metal prop
US2532168A (en) * 1948-06-12 1950-11-28 Frank J Jakoubek Mine roof and timbering jack
FR1021928A (en) * 1950-07-11 1953-02-25 Locking device for tube props

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2814459A (en) * 1954-09-14 1957-11-26 Concrete Forms Corp Aligning device
US2906490A (en) * 1956-04-09 1959-09-29 Inland Steel Products Company Telescopic jack post
US3006666A (en) * 1959-02-13 1961-10-31 Stanley Aviation Corp Snap-ring coupling for telescoping tubular elements
US3016894A (en) * 1959-04-16 1962-01-16 Dennis E Cleary Barbecue post
US2988318A (en) * 1959-10-12 1961-06-13 Waco Porter Corp Shore attachment combination
US3098245A (en) * 1960-09-06 1963-07-23 Arthur M Corey Boat and trundling mechanism
US3210047A (en) * 1963-06-17 1965-10-05 Jackson George Wilbert Shoring jack
US3204910A (en) * 1964-03-31 1965-09-07 Louis S Gacher Shoring device
US3355136A (en) * 1965-09-13 1967-11-28 Henry C Staples Adjustable support device for a vehicle
US3870268A (en) * 1973-04-30 1975-03-11 Sam Larkin Shoring apparatus
US3848851A (en) * 1973-08-28 1974-11-19 Dell Holdings Ltd Jacking device
FR2315458A1 (en) * 1975-06-26 1977-01-21 David Louis Multi-compartment rubbish storage drum - has compartments round edge and telescopic spindle through middle fixed between floor and ceiling
US4096952A (en) * 1976-12-21 1978-06-27 Diggs Richard E Adjustable jib crane
US4217963A (en) * 1977-12-12 1980-08-19 Caterpillar Tractor Co. Bulldozer blade angle slide mechanism
WO1979000370A1 (en) * 1977-12-12 1979-06-28 Caterpillar Tractor Co Bulldozer blade angle slide mechanism
US4631878A (en) * 1984-12-19 1986-12-30 Laramore Larry W Pedestal and framing system for supplemental roof construction
WO1993015865A1 (en) * 1992-02-10 1993-08-19 Falkenson, Siv Axially adjustable chamfering device and tool holder therefor
US5232204A (en) * 1992-10-30 1993-08-03 Norman Nunez Heavy duty house joist support kit
US5310153A (en) * 1993-04-26 1994-05-10 Jackson George W Quick release washer for a shoring post
US5662429A (en) * 1993-09-30 1997-09-02 Lino Manfrotto & Co., S.P.A. Extendible rod
US6065254A (en) * 1999-03-19 2000-05-23 Lanka; Richard Adjustable, foldable support brace
US6152424A (en) * 2000-02-17 2000-11-28 Lapat; Leo A. Door and window frame spreader
US6539677B1 (en) 2001-05-18 2003-04-01 Richard I. Lanka Form brace with adjustable face
US7112026B1 (en) * 2004-01-12 2006-09-26 Foster Roy E Cabinet lifting device
US20120312940A1 (en) * 2006-12-21 2012-12-13 Xavier Julliard Mobile anchoring and fall prevention device
US8616519B2 (en) 2010-08-23 2013-12-31 Titan Formwork Systems, Llc Shoring post with supplemental beam support
US9140025B2 (en) 2013-03-14 2015-09-22 Victor N. Barcroft Long travel lift system
US11066824B2 (en) 2018-03-27 2021-07-20 Ccs Contractor Equipment & Supply, Llc Ground anchor bracket with simulated slab support for concrete wall braces

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